21 CFR § 1240.45 - Report of disease.

---
identifier: "/us/cfr/t21/s1240.45"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "21 CFR § 1240.45 - Report of disease."
title_number: 21
title_name: "Food and Drugs"
section_number: "1240.45"
section_name: "Report of disease."
chapter_name: "FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES"
subchapter_number: "L"
subchapter_name: "REGULATIONS UNDER CERTAIN OTHER ACTS ADMINISTERED BY THE FOOD AND DRUG ADMINISTRATION"
part_number: "1240"
part_name: "CONTROL OF COMMUNICABLE DISEASES"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "42 U.S.C. 216, 243, 264, 271."
regulatory_source: "40 FR 5620, Feb. 6, 1975, unless otherwise noted."
cfr_part: "1240"
---


# 1240.45 Report of disease.

The master of any vessel or person in charge of any conveyance engaged in interstate traffic, on which a case or suspected case of a communicable disease develops shall, as soon as practicable, notify the local health authority at the next port of call, station, or stop, and shall take such measures to prevent the spread of the disease as the local health authority directs.